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| LTC3611_15 Datasheet, PDF (21/26 Pages) Linear Technology – 10A, 32V Monolithic Synchronous Step-Down DC/DC Converter | |||
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LTC3611
TYPICAL ApplicationS
3.3V Input to 1.5V/10A at 750kHz
PGND
INTVCC
CVCC
4.7µF
6.3V
SW
CF
0.1µF
50V
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
SGND
VOUT
1.5V AT
10A
C5
22µF
6.3V
(OPTIONAL)
GND
COUT1
100µF
Ã2
L1
0.47µH
VIN
VIN
3.3V
GND
CIN
4.7µF
C6 +
100µF
50V
50V
Ã2
(OPTIONAL)
1 PGND
2 PGND
3 PGND
4 SW
5 SW
6 SW
7 SW
8 SW
9 SW
10 SW
11 SW
12 PVIN
13 PVIN
14 PVIN
15 PVIN
16 PVIN
LTC3611
SGND 48
SGND 47
SGND 46
SGND 45
EXTVCC 44
VFB 43
SGND 42
ION 41
SGND 40
FCB 39
ITH 38
VRNG 37
PGOOD 36
VON 35
SGND 34
33
VIN2 = 5V
C4
0.01µF
R1
20.43k
1%
C1
(OPTIONAL)
RON
113k
1%
CON
0.01µF
(OPTIONAL)
R5
12.5k
R2
30.1k
1%
(OPTIONAL)
C2
VOUT
VIN
CC1
1500pF
39.2k
11k
RPG1
100k
INTVCC
CC2
100pF
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
C5: TAIYO YUDEN JMK316BJ226ML-T
CIN: MURATA GRM31CR71H475K
COUT1: MURATA GRM435R60J107M
L1: TOKO FDV0630-R47M
INTVCC
KEEP POWER AND SIGNAL GROUNDS SEPARATE.
CONNECT TO ONE POINT.
CB1
0.22µF
2Ω
CSS
0.1µF
RSS1
510k
VIN
(OPTIONAL)
(OPTIONAL)
CVON
VOUT
SGND
3611 TA02
3611fd
21
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